Erkol, Ayhan, Kocaeli Derince Training and Research Hospital Ibni Sina Bl. Derince 41900 Kocaeli Erne, Paul, Heart Centre Lucerne, Luzerner Kantonsspital, Lucerne, Switzerland Erol, Cetin, Cardiology Department, Ankara University Ankara Erol, Mustafa Kemal, Mehmet Akif Ersoy Thorasic and Cardiovascular Surgery Training and Research Hospital Ersoy, Osman, Yıldırım Beyazıt University Faculty of Medicine, Department of Gastroenterology, Ankara, Turkey Ertas, Faruk, Medical School of Dicle University Ertaş, Faruk, Dicle University Faculty of Medicine, Department of Cardiology, Diyarbakır Ertem, Ahmet Göktuğ, Türkiye Yüksek Ihtisas Training and Research Hospital, Cardiology Clinic, Ankara, Turkey Ertugrul, Derun Taner, Kecioren Teaching and Research Hospital Erturk, Mehmet, Department of Cardiology, Istanbul Mehmet Akif Er soy Thoracic and Car diovascular Surgery Training and Research Hospital, Istanbul, Turkey Erturk, Mehmet, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital Erturk, Mehmet, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Department of Cardiology, Istanbul Eryol, Namik Kemal Escaned, Javier Escolà-Vergé, Laura Escudero, Eduardo Manuel, Centro de Investigaciones Cardiovasculares, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, CONICET, La Plata, Argentina Esen, Ali Metin, Kartal Kosuyolu Training and Research Hospital, Cardiology Clinic, Istanbul, Turkey Esfahanian, Nilufar Esfandbod, Maryam Eskandari, Mehdi, Kings College Hospital Kings College London MD Eskola, Markku J. Esmaeilzadeh, Maryam Espejo Paeres, Carolina Espinola-Zavaleta, Nilda Espinosa Castro, Maria Ángeles